The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 07, 1989
Filed:
Dec. 20, 1985
Applicant:
Inventors:
Charles H Hsiao, Cooper City, FL (US);
John S Kent, Palo Alto, CA (US);
Assignee:
Syntex (U.S.A.) Inc., Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ;
U.S. Cl.
CPC ...
424468 ; 424465 ; 424462 ; 424470 ; 424476 ; 424480 ; 424488 ; 514570 ; 514781 ;
Abstract
A controlled release tablet for once-daily oral administration of about 500-1200 mg of naproxen or naproxen sodium, said tablet comprising a homogeneous matrix comprising about 4-9 weight percent of hydroxypropyl methylcellulose having a number average molecular weight in the range of from about 80,000 to about 130,000, about 81-96 weight percent naproxen or naproxen sodium, and 0.1 to about 2 weight percent of a pharmaceutically acceptable lubricating agent, and optionally including a pharmaceutically acceptable coating.